Carton



July 5, 1938. LOWEY 2,122,480

CARTON Filed Jan. 29, 1937 2 Sheets-Sheet l July 5, 1938.

R. E. LOWEY 2,122,480

CARTON Filed Jan. 29, 1937 2 Sheets-Sheet 2 22/ ZZZ/6721287" ZZ y ElowqyPatented July 5, 1938 V UNlTED STATES PATENT OFFICE CARTON Roy E. Lowey,Chicago, Ill., assignor to Container Corporation of America, Chicago,111., a corporation of Delaware Application January 29, 1937, Serial No.122,966 1 Claim. (01. 229-33) The present invention relates tocontainers and 5 whereby, upon breaking away the mid-portion moreparticularly to folding cartons of the type of the flap and tearingalong the weakened lines, -wherein it is possible to load or charge thecona supplemental opening may be formed. The pretainer through one endand to remove the conferred method for providing a supplemental open- 5tents througha side opening. ing is to form weakened lines I9, is acrossside 5 One object of the invention is to provide a walls 8, 9 and i0adjacent each end thereof. simple form of folding carton preferablyhaving These lines may or may not be parallelto the more than four sidewalls and having scalable end of the carton but in the present instanceQ end closures together with a supplemental side are shown assubstantially parallel thereto.

10 closure defined by weakened lines in the side walls, As indicated atl9, IS the weakened lines 10 such closure becoming operative by severingthe cross the flap H in the form of slits which may, side walls alongthe weakened lines. if desired, be held by a relatively small unslittedAnother object of the invention is to provide portion. The end portions20, 20 of the flap H a carton of the class described in whichtheopextending from the slits I9 to the ends of the eration of openingthe'container to dispense its flap are preferably permanentlysecured tothe 15 contents will not unduly weaken it. side wall 5 while, aspreviously stated, the mid- Other objects will be made apparent as theportion 18 of this flap II is preferably secured description proceeds.to the flap 5 in such a manner as to be readily In the drawings:released therefrom. For this purpose the out- 20 Fig. 1 is a perspectiveview of a container con- I side surface of the flap 5 is preferablycoated 20 structed in, accordance with the present invenwith aglue-resistant material, preferably gluetion, showing the container asitappears in setresistant ink, indicated at 2|, along its mid-porupcondition; tion except for relatively small spaced areas in- Fig. 2 is apartial view in perspective illustratdicated at 22, 22. Theglue-resistant ink applied mg the container with its supplementalclosure to the outside of side wall 5 is preferably ter- 25 in openposition; minated at points spaced apart slightly more Fig. 3 is a viewof the container in collapsed than the length of the central portion iiiof the condition; and I flap I I so that the glue-resistant area willnot lie I Fig. 4 is a view of the blank before assembly in contactto anygreat extent with the flaps 20,

into'tubular form. 20. In any event, a substantial portion of the 30 Thecontainer, as disclosed, is preferably flaps 20, 20 will preferably lieagainst portions formed from a single blank of readily foldable 0f t eSide a 5 wh h have not been coated sheet materialwhich is cut and scoredto provide vw glue-resistant T l e-r sistant ink more than four sidewalls, in the present instance y be applied to the fl p l I f des red.It is also i indicated t 5, 5, 1,}, 9 and lo h i immaterial to whichsurface the glue is applied 35 wall w located at one extremity of tblank, .as adherence will bev prevented by the glue-recarries a flap I Iwhich is adapted to'be secured, 515199-11? 1111! except eve! e as bymeans f adhesive, to a at the m- In forming the carton into a tube astrip of site'extremity. a glue is applied to the inner face of flap Hex- 40 Any suitable means may be employed to close ding entirely crossSections and 40 the ends of the carton. In'the present instance Uponthereafter 19111181118 the inner face the thi l r means mm rises flapsI: and 3 of flap II in contact with the outer face of flap 5substantially the same contour asacross-section in the collapsedcondition of the Carton, ad" of the filled container and being, in thepresent ce will be effected over a Substantial D0 instance, hexagonal in.shape, These flaps tion of the flaps 20, 20 and at the uncoated areas45 for convenience, illustrated as located on walls I 22, 22. It is thuspos i l to readily detach h and I0, respectively. Small flaps ll, l5, l6and central po i n l f the flap II, and as the flap 'ITI arepreferablylocated respectively on walls 5, 6, is lifted the weakened lines in thewalls l0, 8 I and 9. and 8, respectively cause such walls to become Inorder to provide means for readily forming severed along said lines toform what may be 50 a supplemental opening in the side walls of thecalled a supplemental closure, indicated genercontainer, the flap H andone or more of the inally at 23. terconnected side walls are providedwith weak- If desired, the flap ll may have an extended ened linestherein and the mid-portion l8 of portion 24 thereon separated fromportion is by the flap II ,is releasably secured to the side wall ascore line 24' which permits bending of the 55 portion 24 out of theplane of the portion so that flap It may be readily engaged by thefingers to initiate the opening of the supplemental closure.

If desired, a cellophane window may be provided in the supplementalclosure. In the present instance, such a 'window is formed by cutting anopening 25 in flaps 8, 5 and I and a sheet of transparent cellulosematerial 26, such as Cellophane, is applied to the other side of thewalls around the opening to close the same.

In utilizing the carton herein described it will first be formed into acollapsible tube at the box iactory by applying a glue strip along theflap as above indicated. See Fig. 3. The collapsed tubes are then sentto user who first closes one end, as by means of gluing'together theflaps. l2, 93, i l, l5, iii and H at one end of the carton. He will thenfill the carton, then glue the remain-'- ing flaps at the other end,whereupon the carton is ready for shipment. The container isreadilyopened, as above indicated, by merely lifting upward the portion24 of flap ll, releasing the releasable portion i8 thus leaving thepermanently secured portions 20, 20 attached to the side wall 5. Furtherlifting of the flap ii severs the side walls it, 9 and 8 to form asupplemental closure through which the contents of the container may bereadily removed.

After the supplemental closure has been opened, as indicated, it may beclosed by tucking in the portions 24 and I8 of the flap I behind the.side wall so that this portion of the flap ll will lie between thecontents and the inner face of side wall 5.

It is obvious that the weakened line l9 need 1 therealong.

not extend across more than one of the side walls in which event thesupplemental opening will be only as wide as one side wall.

While the present description sets forth a preferred embodiment of theinvention, numerous changes may be made in the construction withoutdeparting from the spirit of the invention, and it is therefore desiredthat the present embodiment he considered in all respects asillustrative and not restrictive, reference being had to the appendedclaim rather than to the foregoing description to indicate the scope ofthe invention.

I claim:

A multi-wall container, comprising more than four interconnected wallsections of similar width, one of said sections having a terminal flapjoined in overlapped relation to the opposite. terminal wall section,said flap and at least two successive adjacent sections joined theretohaving an intermediate portion defined frem the exterior portionsthereof by weakened lines formed in said wall sections and extendingacross the full width of such sections to provide a supplementalclosure, the mid-portion of said terminal flap being releasably securedto the terminal wall section while the extremities of said flap sectionare permanently secured to the terminal wall section, and integral flaps,on all of said wall sections adapted to be secured together to form end010- sures for the container, said end flaps when secured togetherserving to support the extremities of those wall sections provided withweakened lines after the closure element has been severed ROY E. LOWEY.

